since...

commit c45358e9
Date:   Mon Apr 24 00:09:08 2017 +0200

    preserve "Total" label on round-trip, remove code duplication

Change-Id: I83ed20e1cab8d67f2f5aedcaf862756d9548bf9f
Reviewed-on: https://gerrit.libreoffice.org/59062
Tested-by: Jenkins
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
(cherry picked from commit ff16f75a)